2100542441 has 2 divisors, whose sum is σ = 2100542442. Its totient is φ = 2100542440.

The previous prime is 2100542417. The next prime is 2100542449. The reversal of 2100542441 is 1442450012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027610841 + 72931600 = 45029^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100542441 - 2¹⁸ = 2100280297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100542449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050271220 + 1050271221.

It is an arithmetic number, because the mean of its divisors is an integer number (1050271221).

Almost surely, 2^2100542441 is an apocalyptic number.

It is an amenable number.

2100542441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100542441 is an equidigital number, since it uses as much as digits as its factorization.

2100542441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2100542441 is about 45831.6750839417. The cubic root of 2100542441 is about 1280.6894155973.

Adding to 2100542441 its reverse (1442450012), we get a palindrome (3542992453).

The spelling of 2100542441 in words is "two billion, one hundred million, five hundred forty-two thousand, four hundred forty-one".